package com.heima.behavior.service.impl;

import com.alibaba.fastjson.JSON;
import com.heima.behavior.service.ApBehaviorEntryService;
import com.heima.behavior.service.ApCollectionBehaviorService;
import com.heima.common.constants.article.HotArticleConstants;
import com.heima.common.exception.CustException;
import com.heima.model.behavior.dtos.CollectionBehaviorDTO;
import com.heima.model.behavior.pojos.ApBehaviorEntry;
import com.heima.model.behavior.pojos.ApCollection;
import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import com.heima.model.mess.app.NewBehaviorDTO;
import com.heima.model.threadlocal.AppThreadLocalUtils;
import com.heima.model.user.pojos.ApUser;
import lombok.extern.slf4j.Slf4j;
import org.springframework.amqp.rabbit.core.RabbitTemplate;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.mongodb.core.MongoTemplate;
import org.springframework.data.mongodb.core.query.Criteria;
import org.springframework.data.mongodb.core.query.Query;
import org.springframework.stereotype.Service;

import java.util.Date;


@Service
@Slf4j
public class ApCollectionBehaviorServiceImpl implements ApCollectionBehaviorService {

    @Autowired
    private ApBehaviorEntryService apBehaviorEntryService;



    @Autowired
    private MongoTemplate mongoTemplate;



    @Autowired
    private RabbitTemplate rabbitTemplate;





    /**
     * 收藏行为
     * @param dto
     * @return
     */
    @Override
    public ResponseResult collectBehavior(CollectionBehaviorDTO dto) {
        //校验参数 需要登录 文章id不能null  操作类型 0 或 1
        ApUser user = AppThreadLocalUtils.getUser();
        if (user == null){
            CustException.cust(AppHttpCodeEnum.NEED_LOGIN);
        }

        //根据userId查询行为实体数据
        ApBehaviorEntry apBehaviorEntry = apBehaviorEntryService.findByUserIdOrEquipmentId(user.getId(), null);
        if (apBehaviorEntry == null){
            CustException.cust(AppHttpCodeEnum.PARAM_REQUIRE);
        }
        Query query = Query.query(Criteria.where("entryId").is(apBehaviorEntry.getId())
                .and("articleId").is(dto.getArticleId()));
        ApCollection apCollection = mongoTemplate.findOne(query, ApCollection.class);

        //如果是收藏操作 判断是否已经收藏
        //如果未收藏 新增收藏行为
        if (apCollection == null){
            ApCollection apCollection1 = new ApCollection();
            apCollection1.setCollectionTime(new Date());
            apCollection1.setEntryId(apBehaviorEntry.getId());
            apCollection1.setArticleId(dto.getArticleId());
            apCollection1.setType((short)0);
            apCollection1.setOperation((short)0);
            //插入到数据库
            mongoTemplate.save(apCollection1);
            return ResponseResult.okResult(apCollection1);
        }
        //如果是取消收藏操作  删除收藏行为
        apCollection.setOperation(dto.getOperation());
        mongoTemplate.save(apCollection);



        //发送消息到队列
        NewBehaviorDTO mess = new NewBehaviorDTO();
        mess.setType(NewBehaviorDTO.BehaviorType.COLLECTION);
        mess.setAdd(dto.getOperation() == 0  ? 1 : -1);
        mess.setArticleId(dto.getArticleId());
        //发送消息到队列
        rabbitTemplate.convertAndSend(HotArticleConstants.HOT_ARTICLE_SCORE_BEHAVIOR_QUEUE, JSON.toJSONString(mess));
        log.info("点赞行为 发送消息 ==>{}",JSON.toJSONString(mess));




        //返回结果
        return ResponseResult.okResult(apCollection);
    }
}
